Booking with Bangkok Airways 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chiang Mai to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, the most affordable month to book a Bangkok Airways flight from Chiang Mai to Ko Samui in July, with an average price of ฿5,208. Conversely, traveling with Bangkok Airways from Chiang Mai to Ko Samui in January will be the most expensive, with an average cost of ฿12,475. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.
If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).
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